Year	% of GNI
2010	6.19548353690852
2011	8.12496462163501
2012	15.7677625685113
2013	15.1755966329419
2014	15.7827095878216
2015	17.9056711971187
2016	14.2796063372716
2017	18.9292949166794
2018	22.4898613988108
2019	22.8310678289682
2020	22.4509165549466